Home / 200,183.32-276,352.95-115,283.98

Finding the Fourth Proportional to 200,183.32, 276,352.95 and 115,283.98

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Solution

The fourth proportional to 200,183.32, 276,352.95 and 115,283.98 is: 159,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,183.32 : 276,352.95 = 115,283.98 : x
  2. Step 2: Convert to fraction form
    200,183.32/276,352.95 = 115,283.98/x
  3. Step 3: Cross multiply
    200,183.32x = 276,352.95 × 115,283.98
  4. Step 4: Simplify right side
    200,183.32x = 31,859,067,960.74
  5. Step 5: Solve for x
    x = 31,859,067,960.74/200,183.32
  6. Step 6: Final answer
    x = 159,149.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.